Repairing damaged coatings with zinc spray

Zincor-Spray is an inexpensive and easy to apply rust remover. It is designed for local treatment of ferrous metals, for their restoration and renovation. It is easier to treat hard-to-reach areas, complex parts and cavities in metal structures by spraying it on.

Zinc paint acts as a stand-alone coating or as a primer before a decorative finishing coat. Suitable for previously galvanised and welded structures, including rust-affected ones. Dries quickly and does not leave streaks. Creates a matt grey coating on which special coloured paints can be applied.
 

What is in the spray?

The composition is identical to that of Zincor anti-corrosion paint for metals. Slows down the corrosion process by a factor of three thanks to electromechanical protection. Even with one coat of 40-60 μm zinc, corrosion is halted for 7-10 years.

Re-application is recommended when structures are exposed to harsh conditions and aggressive environments. A major advantage is that it is a zinc-rich paint with the highest dry film content of zinc (96%). It also contains synthetic polymers for easy application and plasticity of the coating.
 

Why is zinc the best protective metal?

Zinc is a bivalent amphoteric metal, which allows it to react not only in acidic environments but also in alkaline environments. Zinc is one of the most active metals. Its activity is much higher than that of iron, the main component of metal structures. Accordingly, iron will not corrode in the presence of zinc. 

How can zinc spraying be used to restore the coating?

Zinc anti-corrosive paints are also used to restore damaged surfaces. If the zinc layer wears off over time, this can easily be remedied and its protective effect extended. Metals can even be affected by rust. Loose rust must be removed, but it is possible to apply the spray on firmly adherent rust.

1. Reapplication. After cleaning the metal, the paint is sprayed on top of the old zinc coating. A single coat will be enough to protect against corrosion for 7-10 years. The composition mixes with the previous coat and a thicker and denser coating is obtained.
    
2. Welded joints. This is worth mentioning separately, as these areas are the most susceptible to corrosion. The advantage of cold galvanising is that structures can be welded and seams can be worked. But when the metal is heated, the anti-corrosion layer "evaporates". To restore, it is sufficient to spray locally in a thin stream.
    
3. Finish Coatings. When restoring metal structures, a decorative coating is often applied as well. In this case, the spray acts as a primer and the finishing coat is applied with alkyd or acrylic-based paint. They are coloured enamels in different colours. The maximum drying time is just 7-8 hours.

The versatility of cold galvanising makes it possible to restore areas of zinc coating that have been applied not only cold but also hot.
 

Features of spray paint application

The spray can is applied in a simple way and does not require any special skills. If the instructions and precautions are followed, the treatment can be carried out by yourself. However, thorough preparation of the surface will be necessary for a good finish.

• Clean dirt, loose rust and old coatings from the metal substrate. Roughen and degrease the surface.
• Shake the zinc spray for 1 minute before application. Readiness for use can be judged by the free movement of the balls inside.
• Apply liquid zinc paint at a distance of 25-30 cm from the surface. The spray can must be held strictly vertically.
• Working temperature of spraying is from +5°C to +40°C. Drying time - from 20 minutes. Reapply after the first layer is completely dry.
• When finished, spray can should be turned upside down. Turn the can upside down and press the valve until clear gas escapes. Remove any paint residues from the valve.
• The zinc spray should be stored in a sealed container and away from sunlight. When fully used, it can be disposed of as normal household waste.
   

Precautions

Care and caution are required when working with Zinc Spray. A mask, goggles, gloves and, in case of large spray areas, a protective suit are necessary. Avoid contact with eyes and exposed skin. Do not spray in high winds and in close proximity to fire. Ensure good ventilation when spraying metal indoors.
 

DO YOU HAVE ANY QUESTIONS?

Ask them by e-mail: zincor.paints@gmail.com